451497897323 has 16 divisors (see below), whose sum is σ = 494614373760. Its totient is φ = 408728510400.

The previous prime is 451497897287. The next prime is 451497897373. The reversal of 451497897323 is 323798794154.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 451497897323 - 2¹⁰ = 451497896299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451497897373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4834436 + ... + 4926942.

It is an arithmetic number, because the mean of its divisors is an integer number (30913398360).

Almost surely, 2^451497897323 is an apocalyptic number.

451497897323 is a deficient number, since it is larger than the sum of its proper divisors (43116476437).

451497897323 is a wasteful number, since it uses less digits than its factorization.

451497897323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94378.

The product of its digits is 45722880, while the sum is 62.

The spelling of 451497897323 in words is "four hundred fifty-one billion, four hundred ninety-seven million, eight hundred ninety-seven thousand, three hundred twenty-three".